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path: root/drivers/cpufreq/scmi-cpufreq.c
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Diffstat (limited to 'drivers/cpufreq/scmi-cpufreq.c')
-rw-r--r--drivers/cpufreq/scmi-cpufreq.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c
index fb42e3390377..78318508a6d6 100644
--- a/drivers/cpufreq/scmi-cpufreq.c
+++ b/drivers/cpufreq/scmi-cpufreq.c
@@ -8,6 +8,7 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+#include <linux/clk-provider.h>
#include <linux/cpu.h>
#include <linux/cpufreq.h>
#include <linux/cpumask.h>
@@ -29,7 +30,7 @@ static const struct scmi_handle *handle;
static unsigned int scmi_cpufreq_get_rate(unsigned int cpu)
{
struct cpufreq_policy *policy = cpufreq_cpu_get_raw(cpu);
- struct scmi_perf_ops *perf_ops = handle->perf_ops;
+ const struct scmi_perf_ops *perf_ops = handle->perf_ops;
struct scmi_data *priv = policy->driver_data;
unsigned long rate;
int ret;
@@ -48,30 +49,22 @@ static unsigned int scmi_cpufreq_get_rate(unsigned int cpu)
static int
scmi_cpufreq_set_target(struct cpufreq_policy *policy, unsigned int index)
{
- int ret;
struct scmi_data *priv = policy->driver_data;
- struct scmi_perf_ops *perf_ops = handle->perf_ops;
+ const struct scmi_perf_ops *perf_ops = handle->perf_ops;
u64 freq = policy->freq_table[index].frequency;
- ret = perf_ops->freq_set(handle, priv->domain_id, freq * 1000, false);
- if (!ret)
- arch_set_freq_scale(policy->related_cpus, freq,
- policy->cpuinfo.max_freq);
- return ret;
+ return perf_ops->freq_set(handle, priv->domain_id, freq * 1000, false);
}
static unsigned int scmi_cpufreq_fast_switch(struct cpufreq_policy *policy,
unsigned int target_freq)
{
struct scmi_data *priv = policy->driver_data;
- struct scmi_perf_ops *perf_ops = handle->perf_ops;
+ const struct scmi_perf_ops *perf_ops = handle->perf_ops;
if (!perf_ops->freq_set(handle, priv->domain_id,
- target_freq * 1000, true)) {
- arch_set_freq_scale(policy->related_cpus, target_freq,
- policy->cpuinfo.max_freq);
+ target_freq * 1000, true))
return target_freq;
- }
return 0;
}
@@ -236,12 +229,17 @@ static struct cpufreq_driver scmi_cpufreq_driver = {
static int scmi_cpufreq_probe(struct scmi_device *sdev)
{
int ret;
+ struct device *dev = &sdev->dev;
handle = sdev->handle;
if (!handle || !handle->perf_ops)
return -ENODEV;
+ /* dummy clock provider as needed by OPP if clocks property is used */
+ if (of_find_property(dev->of_node, "#clock-cells", NULL))
+ devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, NULL);
+
ret = cpufreq_register_driver(&scmi_cpufreq_driver);
if (ret) {
dev_err(&sdev->dev, "%s: registering cpufreq failed, err: %d\n",